BOLNBLOK acoustic foam
1.Products description:
High performance acoustic insulation for a quieter environment. BolnBlok is a versatile acoustic absorber designed for use in a variety of different acoustic applications. It works as a high performance sound absorbing barrier with both vibration damping and de-coupling properties. Delivering optimal performance at lower thickness than traditional materials, BolnBlok is a uniquely advanced open cell acoustic insulation material. With a peak absorption frequency determined by the insulation thickness and the material density, BolnBlok can be engineered to target specific problem frequencies.
2.Products Features:
• Open cell structure with complex pore geometry effectively absorbs air-borne sound
• Relatively high density and high flow resistance works as a sound barrier (transmission loss)
• Reduces structure-borne noise transmission when used as isolation pads
• Vibration damping from metal enclosures or ducts
• For use in general mechanical and industrial enclosures, cabinet linings, heavy equipment engine compartment linings and more
• Available with optional self-adhering pressure sensitive adhesive backing
3.Data
| Item | Unit | Requirement | Standard | Actual Resault | |
|---|---|---|---|---|---|
Density | Kg/M3 | ≤95 | GB/T 6343 | ≥43 | |
Flammability | Limited Oxygen Index | % | ≥32 | GB/T 2406 | 35 |
Smoke Density | - | ≤75 | GB/T 8627 | 8 | |
|
| Class 1 | BS 476 part 7 | Pass | |
Thermal Conductivity | −20°C | λ | ≤0.034 | GB/T 17794 | 0.031 at 0°C |
0°C | ≤0.036 | ||||
40°C | ≤0.041 | ||||
Water Vapor Permeability | Water Vapor Permeability | g/(m.s.pa) | 1.8≤ x ≤10-14 | GB/T 17146-1997 | 1.2 x 10-10 |
Moisture Resistance Factor | μ |
| 10000 | ||
Vacuum Water Absorption | % | ≤10 | GB/T 17794-2008 | 2 | |
Dimension Stability 105±3°C, 7 days | % | ≤10 | GB/T 8811 | 6.7 | |
Crack Resistance | N/cm | ≥2.5 | GB/T 10808 | 2.76 | |
Compression Resistance Ratio, | % | ≥70 | GB/T 6669-2001 | 94 | |
Compression Ratio 50%, | |||||
Compression Time 72 hours | |||||
Anti-Ozone | - | No Cracking | GB/T 7762 | Pass | |
Ozone Pressure 202 mpa, 200 hours | |||||
Aging Resistance, 50 hours | - | Slightly Crumpling, no cracks, no pin holes, no deforming | GB/T 16259 | Pass | |
Temperature Range | °C | −40 ~ 105 | GB/T 17794 | Pass | |
Contact Info:
Tel: + 86-760-8877-9978
Fax: + 86-760-8877-9979
MOB & WHATSAPP: + 86-18689379659
Skype: yoyo_chan2010